What is an intensive property of a substance? a. density b. volume c. length d. mass

An intensive property of a substance is A. density

Density is the ratio between the mass of a sample and its volume. So since it's a ratio, it will always be the same regardless of how much of the sample it measured. When a property, like density, is independent of the amount of sample measured, it is known as an "intensive" property.

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adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.